Bow Brooch, Adrianus Steen, Amsterdam, 1784, silver, gold, diamond, h 4.0cm × w 9.6cm. BK-1971-1. Rijksmuseum, Amsterdam.
Brooch silver with diamonds in the shape of a bow. On both sides of the middle part two bow loops 20 each set with diamonds. Through the loops run the slippage of the ribbon. In each loop a twig. At the rear a new gold pin.

18 karat white gold and diamond brooch. Photo Sotheby's
Designed as an openwork bow, centered by a round diamond weighing approximately 1.40 carats, further set with numerous round, rose and single-cut diamonds weighing approximately 19.45 carats, fitted with retractable pendant bails, three small diamonds missing; together with a cord to allow for wear as a pendant. Estimation 18,000 — 22,000 USD
Sotheby's. Important Jewels. New York | 06 Feb 2014 - www.sothebys.com

Platinum and Diamond Brooch, Van Cleef & Arpels - Photo Sotheby's
Designed as a bow knot with articulated ribbons, set with numerous round and baguette diamonds weighing approximately 60.00 carats, signed VCA, numbered 45159, circa 1930. With signed box. Estimation: 75,000 - 100,000 USD
Notes: Founded in 1906 on the Place Vendôme, Van Cleef & Arpels had become one of the leading jewelry houses in Paris by the 1930s. Their innovative designs and master craftsmanship quickly set them apart from their... [Lire la suite]